Is 100123 a prime number?

100 123 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 100 123 is about 316.422.

Thus, the square root of 100 123 is not an integer, and therefore 100 123 is not a square number.

The square of a number (here 100 123) is the result of the product of this number (100 123) by itself (i.e., 100 123 × 100 123); the square of 100 123 is sometimes called "raising 100 123 to the power 2", or "100 123 squared".

The square of 100 123 is 10 024 615 129 because 100 123 × 100 123 = 100 123² = 10 024 615 129.

As a consequence, 100 123 is the square root of 10 024 615 129.

100 123 is a number with 6 digits.

The multiples of 100 123 are all integers evenly divisible by 100 123, that is all numbers such that the remainder of the division by 100 123 is zero. There are infinitely many multiples of 100 123. The smallest multiples of 100 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 100 123 too, since 0 × 100 123 = 0
• 100 123: indeed, 100 123 is a multiple of itself, since 100 123 is evenly divisible by 100 123 (we have 100 123 / 100 123 = 1, so the remainder of this division is indeed zero)
• 200 246: indeed, 200 246 = 100 123 × 2
• 300 369: indeed, 300 369 = 100 123 × 3
• 400 492: indeed, 400 492 = 100 123 × 4
• 500 615: indeed, 500 615 = 100 123 × 5
• etc.

• Preceding numbers: …100 121, 100 122
• Following numbers: 100 124, 100 125…

Nearest numbers from 100 123

• Preceding prime number: 100 109
• Following prime number: 100 129